Suunto Men's D9 Diving without Transmitter Watch SS011195300

!±8±Suunto Men's D9 Diving without Transmitter Watch SS011195300

Brand : Suunto
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Price : $1,199.95
Post Date : Jan 01, 2012 02:00:38
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Suunto D9 is a highly advanced all-in-one dive computer. It combines all dive-critical information – such as depth, time, tank pressure, decompression status and direction – in one instrument, conveniently mounted on your wrist.

Wireless air integration
With optional wireless air integration, Suunto D9 allows you to monitor tank pressure and air consumption from your wrist. Tank pressure is displayed both numerically and graphically, and an estimation of the remaining air time is given throughout the dive.

Digital navigation
Suunto D9 displays a graphical representation of a compass rose. The rose displays the cardinal and half cardinal points, and the current bearing is also displayed numerically. A bearing can be locked to help you follow a selected course, and directional arrows point towards the locked bearing.

Multi-mode versatility
Suunto D9 has three dive modes. The Air mode is used for diving with standard air, the Nitrox mode for up to three nitrox mixes, and the Gauge mode for use as a bottom timer.

When in Nitrox mode, you can accelerate decompression by switching to a gas mix with a higher oxygen percentage. You can preset three different gas mixes (with between 21% and 99% oxygen) and set PO2 values for each individual gas. While diving, it's quick and easy to switch between enabled gas mixes.

In the Gauge mode, Suunto D9 works as a bottom timer and also provides accurate profile sampling and bookmarking functions. A dive timer with a reset function displays the dive time in minutes and seconds. This is extremely useful for timing accurate bottom times and decompression stops.

Flexible decompression
Using the Suunto Deep Stop RGBM algorithm, Suunto D9 enables continuous decompression for optimal ascent time. For deeper dives, the Deep Stop option adds further protection with a series of deep stops between your maximum depth and ceili

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Nitrox Diving

!±8± Nitrox Diving

For many enthusiasts, there is one drawback with traditional SCUBA diving: Divers can only stay under the water for a limited amount of time, even with oxygen tanks. An alternative method of diving, though, known as nitrox diving, can allow divers more underwater time. While nitrox diving is attracting a growing number of supporters, it's important for divers to learn the basic safety rules before attempting it.

Nitrox diving takes its name from the combination of the words "oxygen" and "nitrogen." This is appropriate, as nitrox is a special combination of nitrogen and oxygen that allows divers to spend more time under the water and less time on the surface. As a matter of fact, the air you are breathing right now is about 21% oxygen, 79% nitrogen.

Of course, divers usually rely on a combination of nitrogen and oxygen when diving. But in nitrox diving, the two gases are mixed in a very specific way. In regular SCUBA diving, the goal is to mix the gases in a way that mimics the air found on the surface of the earth. In nitrox diving, the mixture is changed. The new nitrox air is supposed to allow divers to maximize the amount of time they actually spend under the water.

It is also designed to reduce the amount of time divers have to spend on the surface before diving back under the water. Normally divers use the decompression tables and a dive computer to figure out how long to stay down- there are also specially designed nitrox dive computers available as well.

Nitrox mixes,come in a variety of ratios, are typically considered either hypoxic or hyperoxic. Hypoxic nitrox mixes contain less than 21 percent oxygen, while hyperoxic mixes contain more than 21 percent. Divers who dive for recreational or sporting purposes, are only allowed to use hyperoxic nitrox mixes. Because divers using nitrox mixes will have a greater amount of oxygen and a lesser level of nitrogen in the air they are breathing in, they can spend more time underwater. They also have to make fewer decompression stops and spend less time on the surface waiting for the chance to dive again.

There are some safety issues that nitrox divers need to be aware of before diving. For instance, those who dive with the wrong nitrox mix may suffer serious complications as they swim deeper under the surface. Certain combinations of oxygen and nitrogen do not work well at some depths. There is also the misconception among some divers that nitrox diving allows them to dive deeper under the surface. This, though, is not true. The more oxygen there is in an air mix, the shallower a diver's dives will have to become. Nitrox allows divers to stay underwater longer. It doesn't allow them to dive deeper into it. A good air integrated dive computer can assist with computation of safe ascents when nitrox diving.

Nitrox Diving

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